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Komagome Formation (Collaborative Research Group on the Geology of the Shitada Hills, 1976) Kudo et al., 2011
Invalid synonym: Oguni Formation
- Type locality: Koji river - Odaira river, Komagome, Sanjo city, Niigata prefecture
- Coherent formation
- Pleistocene (1.6 Ma or later)
- Sedimentary facies: Marine
- Sedimentary facies (Minor): Terrestrial
- Sedimentary facies: Estuary
- Sedimentary facies (Minor): Fluvial
- Sedimentary facies (Minor): Channel deposit
- Lithofacies: Mud, Sandy mud, Interbedded mud and sands
- Lithofacies (Lower): Gravels
- Kamo, Niigata pref.
- [ Upper ]
- ~~~~~~~~~~~~~~
- Hirote Formation
- ~~~~~~~~~~~~~~
- Komagome Formation
- ~~~~~~~~~~~~~~
- [ Lower ]
------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown
- Distribution: Komagome, Sanjo city, Niigata pref.
- Fossils: Plants (Juglans megacinerea), Trace fossils
- Kudo et al. (2011) Geology of the Kamo District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, AIST, 162p. (in Japanese with English abstract 4p.)